https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/china-aster
Toxic and Non-toxic Plants: China Aster | ASPCA
If you have questions regarding China Aster, contact your local veterinarian or call our 24-hour emergency poison hotline: (888) 426-4435.
china astertoxicnonplantsaspca
https://www.rhs.org.uk/plants/206616/callistephus-chinensis-duchess-series/details
Callistephus chinensis Duchess Series | China aster Duchess Series Annual Biennial/RHS
callistephus chinensischina asterduchessseriesannual